/*** * 这是插入一条数据的同时，获取该数据的则增长列的值（该例子的自增长列是id）* * @author LZL* */
public class Auto_Increment {private static Connection conn = null;private static PreparedStatement stsm = null;private static ResultSet rs = null;@Testpublic void testGetAutoIncrement() {try {// 1：创建连接conn = Jdbcutil.getConnection();// 2：设置sql预编译语句String sql = "INSERT INTO person (NAME,sex,age) VALUES (?,?,?);";// 3：执行sql预编译语句（同时在参数中指定自增列）stsm = conn.prepareStatement(sql,PreparedStatement.RETURN_GENERATED_KEYS);// 4：设置参数值stsm.setString(1, "王五");stsm.setString(2, "男");stsm.setInt(3, 22);// 5:发送参数，执行sqlstsm.executeUpdate();// 6：执行完上面的更新数据操作后，获取自增长列rs = stsm.getGeneratedKeys();// 7：输出该数据对应的自增长列的值if (rs.next()) {System.out.println("刚才添加的数据的自增长列值是：" + rs.getInt(1));}} catch (Exception e) {e.printStackTrace();throw new RuntimeException(e);} finally {}Jdbcutil.close(conn, stsm, rs);}}